package ThreadPool;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

public class MyThreadPool {
    private List<Thread> list = new ArrayList<>();

    private BlockingQueue<Runnable> queue = new ArrayBlockingQueue<>(100);

    public MyThreadPool(int n) {
        for (int i = 0; i < n; i++) {
            Thread t = new Thread(() -> {
                while (true) {
                    try {
                        Runnable runnable = queue.take();
                        runnable.run();
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
                }
            });
            t.start();
            list.add(t);
        }
    }

    public void submit(Runnable runnable) throws InterruptedException {
        queue.put(runnable);
    }
}
class Main {
    public static void main(String[] args) throws InterruptedException {
        MyThreadPool myThreadPool = new MyThreadPool(3);
        for (int i = 0; i < 1000; i++) {
            int n = i;
            myThreadPool.submit(new Runnable() {
                @Override
                public void run() {
                    System.out.println("执行任务"+n+" 当前线程为："+Thread.currentThread().getName());
                }
            });
        }
    }
}
